This is why I use Crashplan (ironically the subject of another thread here) - I make plenty of "human errors" :)
> On 14 Oct 2015, at 12:43, Jeb Winders <[email protected]> wrote: > > Agreed. Snapshots would have been an easy way to mitigate this but > implementing some auto snapshoting was one of the things on my todo list that > I embarrassingly never got around to doing. I do have one snapshot from 2012 > which has a lot in it so there is some recoverability. > > Another funny part of this is that I was actually pretty good about doing > scrubs because I was always worried about the dreaded bit rot. But I > obviously did not take enough precautions against user error. > > > >> On Tue, Oct 13, 2015 at 10:59 PM, Michael Loftis <[email protected]> wrote: >> A snapshot created before you started down this path would save your butt >> here but beyond that I dunno...snapshots are cheap to the point of being >> free with zfs so if you're not routinely snapshot ting everything hopefully >> you'll start now. >> >> >> On Tuesday, October 13, 2015, Jeb Winders <[email protected]> wrote: >>> Hello All, >>> >>> First let me say that I greatly appreciate the work the community and >>> joyent have done on smartos. I am a big fan. >>> >>> I know that my subject may seem provocative and I don't really mean it that >>> way, but on the other hand my files seem to be gone so maybe a smidge of >>> provocation is in order. >>> >>> I do things that I probably should not like running the 2012Q2 release >>> since, well second quarter 2012. >>> >>> When I started using smartos I had big plans to do all the zones stuff I >>> used to do on sol10 and opensolaris but one thing led to another and I >>> ended up mostly just running a zfs fs in the global zone as a place to dump >>> files until I made time to really get into it. >>> >>> Well this past weekend the time finally came. After much investigation >>> and trial and error, I figured out that I had goobered up the old >>> smartos64plus zones I had made previously. Instead of trying to fix them I >>> went ahead and downloaded the latest usb image so I could get with the >>> modern age, be on the cutting edge, right side of history, all that stuff. >>> >>> While I was waiting for things to 'dd' I rearranged some of the files and >>> dirs in my global zone zfs fs to kill time and then got to rebooting. >>> >>> I then ran into the whole 'zones/dump' pool degraded issue but I eventually >>> find the guy who documented destroying and remaking the dump zfs and things >>> were undegraded again. >>> >>> I made a working zone , got some stuff from pkgin, everything was going >>> swimmingly. >>> >>> I mention all of the above to illustrate that smartos and I had a big >>> weekend. >>> >>> Then I went to retrieve some files from my old global zone zfs filesystem >>> and all but two of the directories there were gone. Specifically >>> everything but the dirs I had been rearranging were gone. >>> >>> 10 points to whomever has already figured out what happened >>> >>> At first I thought there was some kind of zpool something or other >>> happening cause I had just gotten over that whole 'degraded' scare the day >>> before. But zpool stuff doesn't usually leave some files intact and >>> visible and the fs mounted. >>> >>> Here is a hint -- back in 2012 when I made this fs to dump files into I >>> obviously could not call it zones/dump because that was already taken. so >>> the next best thing I could think of that was not in use already was ... >>> wait for it ... zones/archive >>> >>> 5 points if you get it now. >>> >>> For those of you still reading, evidently zones/archive is an actual thing >>> now and there is a handy cron job in the root crontab to find everything in >>> there which has not been touched in 7 days and 'rm' it. >>> >>> so my dir full of linux iso's avoided certain doom, for now. but >>> everything else got 'rm'd >>> >>> I realize this is an edge case and I shouldn't be putting stuff in the >>> global zone in the first place but if anyone has any advice for undeleting >>> files from zfs I would greatly appreciate it. >>> >>> I wanted to learn more hardcore OS and filesystem stuff so I guess I get my >>> wish :) >>> >>> Another question -- should I rename my zfs fs zones/archive to something >>> else or would that make it harder to recover stuff ? >>> >>> or am I just deluding myself to think there will be any recovery ? >>> >>> Thanks for any help you can render. In the mean time I will make a shell >>> script to touch the dirs in zones/archive everyday. >>> >>> And let my story serve as a caution to any wayward soul who would make a >>> filesystem in the global zone. >>> >>> -jeb >> >> >> -- >> >> "Genius might be described as a supreme capacity for getting its possessors >> into trouble of all kinds." >> -- Samuel Butler > > smartos-discuss | Archives | Modify Your Subscription ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
